util/usermetrics: make usermetrics non-global

this commit changes usermetrics to be non-global, this is a building
block for correct metrics if a go process runs multiple tsnets or
in tests.

Updates #13420
Updates tailscale/corp#22075

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
This commit is contained in:
Kristoffer Dalby
2024-09-23 18:34:00 +02:00
committed by Kristoffer Dalby
parent e1bbe1bf45
commit 0e0e53d3b3
27 changed files with 372 additions and 129 deletions

View File

@@ -9,6 +9,7 @@ import (
"time"
"tailscale.com/health"
"tailscale.com/util/usermetric"
)
func TestWatchdog(t *testing.T) {
@@ -24,7 +25,8 @@ func TestWatchdog(t *testing.T) {
t.Run("default watchdog does not fire", func(t *testing.T) {
t.Parallel()
ht := new(health.Tracker)
e, err := NewFakeUserspaceEngine(t.Logf, 0, ht)
reg := new(usermetric.Registry)
e, err := NewFakeUserspaceEngine(t.Logf, 0, ht, reg)
if err != nil {
t.Fatal(err)
}